Collection
- George W. Gray papers, 1910-19601
- Gerald Sykes papers, 1921-19841
- H. R. Knickerbocker papers, 1914-19501
- Harold Ober Associates letters, 1933-19771
- Harry Harkness Flagler letters, 1781-19481
- Harry Stephen Keeler papers, 1929-19801
- Hart Crane papers, 1909-19371
- Henry Beetle Hough papers, 1841-19941
- Herbert Huncke papers, 1946-19801
- Herbert Lionel Matthews papers, 1909-2002, bulk 1937-19761
- Herbert Machiz papers, 1956-19691
- Herbert Wilner papers, 1948-19781
- Humphrey Carpenter papers, 1978-19821
- Iola S. Haverstick collection of Edith Wharton and Henry James materials, 1889-19911
- Isidor Schneider Papers, 1925-19751
- Isidore Witmark papers, 1903-19391
- Jack Harris Samuels English and American literary manuscripts and letters collection, [1630]-19641
- Jacques Barzun papers, 1900-19991
- James Branch Cabell papers, 1919-19221
- James Morris Whiton papers, circa 1819 -- 19291